Aqueous alkaline developable, UV curable urethane acrylate compounds and compositions useful for forming solder mask coatings
US4717740A · kind A · utility
9Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 1985 |
| Grant date | Jan 5, 1988 |
| Priority date | — |
| Expiry date | May 17, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S525/92
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An aqueous alkaline developable UV curable urethane acrylate compound and composition are used for making flexible solder mask coatings, characterized by rapid development in an aqueous, alkaline medium, and advantageous performance properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.